Value of variable

$\Delta z_i\in U_z,\Delta x_i\in U_x,\Delta y_i\in U_y,$

$rg{f}_i\in U_{RGF}$ $\forall i\in \left[0,4\right]$

“Vertical/Horizontal/ Y-dimension derivation “

Right geometric form

ideal surface

perfect

0

very low

acceptable

1

low

in doubt

2

medium

far from right

3

high

not right at all

4